VOL-2710: Add unit test cases for kafka-onos

Change-Id: Ieff0a32b3552eb8843fa933e57fa4148cb54853b
diff --git a/src/test/java/org/opencord/kafka/integrations/MockDeviceService.java b/src/test/java/org/opencord/kafka/integrations/MockDeviceService.java
new file mode 100644
index 0000000..5d83cc8
--- /dev/null
+++ b/src/test/java/org/opencord/kafka/integrations/MockDeviceService.java
@@ -0,0 +1,224 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.opencord.kafka.integrations;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
+import org.onlab.packet.ChassisId;
+import org.onosproject.net.AnnotationKeys;
+import org.onosproject.net.Annotations;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DefaultAnnotations;
+import org.onosproject.net.DefaultDevice;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Element;
+import org.onosproject.net.ElementId;
+import org.onosproject.net.Port;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceServiceAdapter;
+import org.onosproject.net.device.PortStatistics;
+import org.onosproject.net.driver.Behaviour;
+import org.onosproject.net.provider.ProviderId;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * DeviceServiceAdapter mocker class.
+ */
+public class MockDeviceService extends DeviceServiceAdapter {
+
+    public static final String OLT_DEV_ID = "of:0000c6b1cd40dc93";
+    public static final DeviceId DEVICE_ID_1 = DeviceId.deviceId(OLT_DEV_ID);
+    private static final String SCHEME_NAME = "kafka-onos";
+    private static final DefaultAnnotations DEVICE_ANNOTATIONS = DefaultAnnotations.builder()
+            .set(AnnotationKeys.PROTOCOL, SCHEME_NAME.toUpperCase()).build();
+    private final ProviderId providerId = new ProviderId("of", "foo");
+    private final Device device1 = new MockDevice(providerId, DEVICE_ID_1, Device.Type.SWITCH,
+            "foo.inc", "0", "0", OLT_DEV_ID, new ChassisId(),
+            DEVICE_ANNOTATIONS);
+
+
+    @Override
+    public Device getDevice(DeviceId devId) {
+        return device1;
+    }
+
+    @Override
+    public Iterable<Device> getDevices() {
+        List<Device> devices = new ArrayList<>();
+        devices.add(device1);
+        return devices;
+    }
+
+    @Override
+    public Port getPort(ConnectPoint cp) {
+        return new MockPort();
+    }
+
+    @Override
+    public List<PortStatistics> getPortStatistics(DeviceId deviceId) {
+        PortStatistics ps = new PortStatistics() {
+            @Override
+            public PortNumber portNumber() {
+                return PortNumber.portNumber(1);
+            }
+
+            @Override
+            public long packetsReceived() {
+                return 100;
+            }
+
+            @Override
+            public long packetsSent() {
+                return 10;
+            }
+
+            @Override
+            public long bytesReceived() {
+                return 100;
+            }
+
+            @Override
+            public long bytesSent() {
+                return 10;
+            }
+
+            @Override
+            public long packetsRxDropped() {
+                return 0;
+            }
+
+            @Override
+            public long packetsTxDropped() {
+                return 1;
+            }
+
+            @Override
+            public long packetsRxErrors() {
+                return 1;
+            }
+
+            @Override
+            public long packetsTxErrors() {
+                return 1;
+            }
+
+            @Override
+            public long durationSec() {
+                return 100;
+            }
+
+            @Override
+            public long durationNano() {
+                return 100 * 1000;
+            }
+
+            @Override
+            public boolean isZero() {
+                return false;
+            }
+        };
+        return Lists.newArrayList(ps);
+    }
+
+    /**
+     * Port object mock.
+     */
+    public static class MockPort implements Port {
+
+        @Override
+        public boolean isEnabled() {
+            return true;
+        }
+
+        public long portSpeed() {
+            return 1000;
+        }
+
+        public Element element() {
+            return new Element() {
+                @Override
+                public ElementId id() {
+                    return DEVICE_ID_1;
+                }
+
+                @Override
+                public Annotations annotations() {
+                    return null;
+                }
+
+                @Override
+                public ProviderId providerId() {
+                    return null;
+                }
+
+                @Override
+                public <B extends Behaviour> B as(Class<B> projectionClass) {
+                    return null;
+                }
+
+                @Override
+                public <B extends Behaviour> boolean is(Class<B> projectionClass) {
+                    return false;
+                }
+            };
+        }
+
+        public PortNumber number() {
+            return PortNumber.portNumber(1);
+        }
+
+        public Annotations annotations() {
+            return new MockAnnotations();
+        }
+
+        public Type type() {
+            return Port.Type.FIBER;
+        }
+
+        private static class MockAnnotations implements Annotations {
+
+            @Override
+            public String value(String val) {
+                return "nni-";
+            }
+
+            public Set<String> keys() {
+                return Sets.newHashSet("portName");
+            }
+        }
+    }
+
+    /**
+     * Device mock.
+     */
+    protected static class MockDevice extends DefaultDevice {
+
+        /*
+        Mocks OLT device.
+         */
+        public MockDevice(ProviderId providerId, DeviceId id, Type type,
+                          String manufacturer, String hwVersion, String swVersion,
+                          String serialNumber, ChassisId chassisId, Annotations... annotations) {
+            super(providerId, id, type, manufacturer, hwVersion, swVersion, serialNumber,
+                    chassisId, annotations);
+        }
+    }
+}